Home / 677,949.02-935,567.10-372,030.54

Finding the Fourth Proportional to 677,949.02, 935,567.10 and 372,030.54

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Solution

The fourth proportional to 677,949.02, 935,567.10 and 372,030.54 is: 513,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,949.02 : 935,567.10 = 372,030.54 : x
  2. Step 2: Convert to fraction form
    677,949.02/935,567.10 = 372,030.54/x
  3. Step 3: Cross multiply
    677,949.02x = 935,567.10 × 372,030.54
  4. Step 4: Simplify right side
    677,949.02x = 348,059,533,419.23
  5. Step 5: Solve for x
    x = 348,059,533,419.23/677,949.02
  6. Step 6: Final answer
    x = 513,400.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.